Meaningful Jokes

Are you a lexicographer? Because you make my life more meaningful.
Flight attendants fly with a very meaningful motto: always look on the flight side of life.
I hate when my heater says something that sounds meaningful...
But it turns out to just be blowing hot air.
A couple was in the forest painting on fallen trees.
They were following their counsellor’s orders to have a meaningful dye-a-log.